tra-analysis/website/node_modules/npm/lib/utils/pick-manifest-from-registry-metadata.js
2019-01-06 13:14:45 -06:00

27 lines
895 B
JavaScript

'use strict'
module.exports = pickManifestFromRegistryMetadata
var log = require('npmlog')
var semver = require('semver')
function pickManifestFromRegistryMetadata (spec, tag, versions, metadata) {
log.silly('pickManifestFromRegistryMetadata', 'spec', spec, 'tag', tag, 'versions', versions)
// if the tagged version satisfies, then use that.
var tagged = metadata['dist-tags'][tag]
if (tagged &&
metadata.versions[tagged] &&
semver.satisfies(tagged, spec, true)) {
return {resolvedTo: tag, manifest: metadata.versions[tagged]}
}
// find the max satisfying version.
var ms = semver.maxSatisfying(versions, spec, true)
if (ms) {
return {resolvedTo: ms, manifest: metadata.versions[ms]}
} else if (spec === '*' && versions.length && tagged && metadata.versions[tagged]) {
return {resolvedTo: tag, manifest: metadata.versions[tagged]}
} else {
}
}